CVE-2020-36398

FAUCET Score

CVE-2020-36398 is a stored cross-site scripting (XSS) vulnerability affecting phplist versions 3.5.4 and below. An authenticated attacker can inject malicious web scripts or HTML into the "Campaign" field within the "Send a campaign" module. This medium-severity vulnerability (CVSS 5.4) requires user interaction and could lead to limited impact on confidentiality and integrity. There is currently no evidence of active exploitation, public exploit code, or significant community discussion surrounding this CVE.

Impacted Technologies

Vendor	Product	Version(s)	CPE
		<= 3.5.4CPE matchmatch criteria	cpe:2.3:a:phplist:phplist::::::::

CVSS Data

CVSS version used by this source: 3.1

5.4MEDIUM

CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

REQUIRED

Scope

CHANGED

Confidentiality Impact

LOW

Integrity Impact

LOW

Availability Impact

NONE

Exploitability Score

2.3

Impact Score

2.7

CvssVersion

3.1

Exploit Intelligence

EPSS Score

0.52%

Probability of exploitation in next 30 days

EPSS Percentile

41.2%

Percentile rank of EPSS score among Peer Group

As of 2026-07-28

Model: v2026.06.15

This CVE's current EPSS score of 0.0052 is in the 64th percentile among its peer group of 15,239 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.0 Bluesky, 0.0 Mastodon, and 0.1 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.0 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (1)

github_advisorypatch availablevia nvd_reference

View patch

References

github.com / phpList/phplist3/issues/676

ExploitIssue TrackingPatchThird Party Advisory